I'm running Immich 1.116.2 and recently repathed some of my volume mounts to have a single mount higher up the directory structure instead of multiple lower level mounts (mounting MEDIA instead of MEDIA>Events, MEDIA>Trips etc.)
After a full rescan, all of my images from both the new pathing and old pathing are showing up, meaning I have a double up of everything, except all of the old ones are obviously showing as offline, yet they aren't showing up in trash unless I manually delete them. They also still show up in Folder view under the previous structure, as well as in my Tags. I've re-run the Library Job twice to no avail.
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